Umbrella skeleton



FIG. 1 is a perspective view of umbrella skeleton showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of a canopy employing the new design;

FIG. 9 is a perspective view of another canopy employing the new design; and,

FIG. 10 is a perspective view of still another canopy employing the new design.

The portions shown in dashed lines do not form part of the design. 

The ornamental design for umbrella skeleton, as shown and described. 